发明名称 |
IMPELLER OF CHANNEL CENTRIFUGAL FAN |
摘要 |
FIELD: mechanical engineering; fans and ventilators. SUBSTANCE: proposed impeller contains main disk with tip. Diameter of main disk with tip is equal to 1.05-1.15 of outer diameter of blades. Diameter of cover disk with tip is equal to 1.1-1.2 of outer diameter of blades. Generatrix of tip of cover disk is straight-line. Generatrix of tip of main disk is curvilinear in form of arc of circumference. Non-widening channel is formed between generatrices of main disk and tip of cover disk. EFFECT: improved headrate characteristic and efficiency of fan. 4 cl, 4 dwg |
申请公布号 |
RU2206797(C1) |
申请公布日期 |
2003.06.20 |
申请号 |
RU20010130406 |
申请日期 |
2001.11.13 |
申请人 |
KARADZHI VJACHESLAV GEORGIEVICH;MOSKOVKO JURIJ GEORGIEVICH |
发明人 |
KARADZHI V.G.;MOSKOVKO JU.G. |
分类号 |
F04D29/28;F04D29/66 |
主分类号 |
F04D29/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|